Measures at 3.75" x 4.5" Limited lifetime warranty on base and injector. Polished stainless steel spring loaded injector for lightning fast pressure and vacuum cycling Proprietary molded end seal for superior pressure and leak resistant seal on glass Three point design allows for perfect leveling even on radical curved surfaces Features the Delta Kits I-100 spring plunger injection system and pump style vacuum cup to hold the injector securely against the glass. The compact 3-point design allows for vertical, edge, and curved glass repairs without extra attachments or special equipment. The slotted base provides vertical and horizontal adjustment. Comes standard with I-100 Spring Type Stainless Steel Injector assembly.